storaged: record userdata space utilization

Update disk space utilization together with diskstats since we will
use free space size to co-relate disk performance.

Bug: 63629306
Change-Id: I4e5694aaff3b71aa56db451f1bc92ccfb07e5086
diff --git a/storaged/main.cpp b/storaged/main.cpp
index 4d1e430..6b82904 100644
--- a/storaged/main.cpp
+++ b/storaged/main.cpp
@@ -49,6 +49,7 @@
     storaged = new storaged_t();
 
     storaged->init_battery_service();
+    storaged->report_storage_info();
 
     LOG_TO(SYSTEM, INFO) << "storaged: Start";
 
@@ -113,7 +114,6 @@
     }
 
     if (flag_main_service) { // start main thread
-        report_storage_health();
         // Start the main thread of storaged
         pthread_t storaged_main_thread;
         errno = pthread_create(&storaged_main_thread, NULL, storaged_main, NULL);